Information Processing Device and Information Processing System

1. An information processing device, including a hardware processor operating under the instructions of one or more programs such that the information processing device includes a plurality of units, comprising: a communication unit; an acquisition unit configured to acquire, via the communication unit, presence information including status information indicating a status of execution of an application in a separate information processing device, the status information including information indicating a permission or a prohibition for participation by a user of the information processing device in a session of the application executed in the separate information processing device; and a status image generation unit configured to generate a status image indicating the status of the application, based on the acquired presence information, wherein the status image generation unit refers to the status information and determines a display mode for presenting the status of execution of the application to the user of the information processing device, such that: the status image indicates a name of the application of the separate information processing device, the status image is selectable by the user of the information processing device, such that selection of the status image by the user provides the user with an opportunity to participate in the session of the application executed in the separate information processing device, when participation in the session is permitted, selection of the status image by the user expands the status image to include more information about the application executed in the separate information processing device than is presented in the status image prior to selection, and the status image, expanded after selection, provides the user with an opportunity to participate in the session of the application executed in the separate information processing device, when participation in the session is permitted, the status image is displayed in different display modes depending on whether the user is allowed to participate in the session of the application or not, such that the status image includes at least one of: (i) one or more flashing portions indicating that participation in the session is permitted, (ii) one or more areas of different color indicating that participation in the session is permitted, (iii) one or more portions of text of the application in one or more different colors indicating that participation in the session is permitted, (iv) one or more portions of text of the application in one or more different fonts indicating that participation in the session is permitted, and (v) one or more portions of text of the application in one or more different font sizes indicating that participation in the session is permitted.

2. The information processing device according to claim 1 , wherein the status image generation unit generates the status image such that: the status image, expanded after selection, provides the user with a mark that is selectable by the user when participation in the session is permitted, and is not selectable by the user when participation in the session is not permitted, a display mode of the mark indicates whether participation in the session is permitted, where the display mode of the mark is such that the mark includes one or more of: (i) one or more flashing portions indicating that participation in the session is permitted, (ii) one or more areas of different color indicating that participation in the session is permitted; (iii) one or more portions of text in one or more different colors indicating that participation in the session is permitted, (iv) one or more portions of text in one or more different fonts indicating that participation in the session is permitted, (v) one or more portions of text in one or more different font sizes indicating that participation in the session is permitted.

3. The information processing device according to claim 1 , wherein the status image generation unit generates the status image including update information when there is a change in the status of the application, and generates an image indicating that the user is allowed to participate in the session of the application when the status information includes participation permission information.

4. The information processing device according to claim 1 , further comprising: an execution unit configured to execute an application; a presence information generation unit configured to generate presence information including status information indicating the status of execution of the application; and a transmission unit configured to transmit the generated presence information via the communication unit.

5. The information processing device according to claim 4 , wherein the execution unit determines whether a communication terminal can participate in the session of the application being executed, and the presence information generation unit includes, in the presence information, the resultant determination by the execution unit as the status information.

6. The information processing device according to claim 5 , wherein the presence information generation unit generates presence information when there is a change in the resultant determination by the execution unit.

7. An information processing system in which a plurality of information processing devices are connected, wherein each information processing device comprises a hardware processor operating under the instructions of one or more programs such that each given information processing device among the plurality of information processing devices includes a plurality of units, comprising: a communication unit; an execution unit configured to execute an application; a presence information generation unit configured to generate presence information including status information indicating a status of execution of at least one application of another of the plurality of information processing devices, the status information including information indicating a permission or a prohibition for participation by a user of the given information processing device in a session of the at least one application of the other information processing device; a transmission unit configured to transmit the generated presence information via the communication unit; an acquisition unit configured to acquire, via the communication unit, the presence information including the status information, where the status information includes respective status information of each of the plurality of information processing devices; and a status image generation unit configured to generate a status image indicating the status of the respective at least one application of each of the respective information processing devices, based on the acquired presence information, wherein the status image generation unit refers to the status information included in the acquired presence information and determines a display mode for presenting the status of execution of the at least one application of each of the respective information processing devices to the user of the given information processing device, such that: the status image indicates a name of the at least one application of each of the respective information processing devices, the status image is selectable by the user of the given information processing device, such that selection of the status image by the user provides the user with an opportunity to participate in the session of the at least one application of each of the information processing devices, when participation in the session is permitted, selection of the status image by the user expands the status image to include more information about the application executed in the separate information processing device than is presented in the status image prior to selection, and the status image, expanded after selection, provides the user with an opportunity to participate in the session of the application executed in the separate information processing device, when participation in the session is permitted, the status image is displayed in different display modes depending on whether the user is allowed to participate in the session of the at least one application or not, such that the status image includes at least one of: (i) one or more flashing portions indicating that participation in the session is permitted, (ii) one or more areas of different color indicating that participation in the session is permitted, (iii) one or more portions of text of the at least one application in one or more different colors indicating that participation in the session is permitted, (iv) one or more portions of text of the at least one application in one or more different fonts indicating that participation in the session is permitted, and (v) one or more portions of text of the at least one application in one or more different font sizes indicating that participation in the session is permitted.

8. A non-transitory computer readable recording medium having stored therein a program capable of causing a hardware processing system or device to operate as an information processing device and exhibit functional modules, comprising: a communication unit; a module configured to acquire presence information including status information indicating the status of execution of an application in a separate information processing device connected to a network, via the communications unit, the status information including information indicating a permission or a prohibition for participation by a user of the information processing device in a session of the application executed in the separate information processing device; a module configured to generate a status image indicating the status of the application, based on the acquired presence information, wherein the module configured to generate a status image refers to the status information to determine a display mode for presenting the status of execution of the application the user of the information processing device, such that: the status image indicates a name of the application of the separate information processing device, the status image is selectable by the user of the information processing device, such that selection of the status image by the user provides the user with an opportunity to participate in the session of the application executed in the separate information processing device, when participation in the session is permitted, selection of the status image by the user expands the status image to include more information about the application executed in the separate information processing device than is presented in the status image prior to selection, and the status image, expanded after selection, provides the user with an opportunity to participate in the session of the application executed in the separate information processing device, when participation in the session is permitted, the status image is displayed in different display modes depending on whether the user is allowed to participate in the session of the application or not, such that the status image includes at least one of: (i) one or more flashing portions indicating that participation in the session is permitted, (ii) one or more areas of different color indicating that participation in the session is permitted, (iii) one or more portions of text of the application in one or more different colors indicating that participation in the session is permitted, (iv) one or more portions of text of the application in one or more different fonts indicating that participation in the session is permitted, and (v) one or more portions of text of the application in one or more different font sizes indicating that participation in the session is permitted.

9. The non-transitory computer readable recording medium according to claim 8 , wherein the module configured to generate the status image generates the status image such that: the status image, expanded after selection, provides the user with a mark that is selectable by the user when participation in the session is permitted, and is not selectable by the user when participation in the session is not permitted, a display mode of the mark indicates whether participation in the session is permitted, where the display mode of the mark is such that the mark includes one or more of: (i) one or more flashing portions indicating that participation in the session is permitted, (ii) one or more areas of different color indicating that participation in the session is permitted; (iii) one or more portions of text in one or more different colors indicating that participation in the session is permitted, (iv) one or more portions of text in one or more different fonts indicating that participation in the session is permitted, (v) one or more portions of text in one or more different font sizes indicating that participation in the session is permitted.

10. The non-transitory computer readable recording medium according to claim 8 , wherein the module configured to generate the status image generates the status image such that the status image includes: update information when there is a change in the status of the application, and an image indicating that the user is allowed to participate in the session of the application when the status information includes participation permission information.

11. The non-transitory computer readable recording medium according to claim 8 , wherein the functional modules further comprise: an execution module configured to execute an application; a presence information generation module configured to generate presence information including status information indicating the status of execution of the application; and a transmission module configured to transmit the generated presence information via the communication unit.

12. The non-transitory computer readable recording medium according to claim 11 , wherein: the execution module determines whether a communication terminal can participate in the session of the application being executed, and the presence information generation module includes, in the presence information, the resultant determination by the execution unit as the status information.

13. The non-transitory computer readable recording medium according to claim 12 , wherein the presence information generation module generates presence information when there is a change in the resultant determination by the execution unit.